12109 GREY ROCK LN, AUSTIN, TX 78750
AUSTIN, 78750 — williamson County
Property at a Glance
This home is estimated between $365,212 and $424,173, with a best estimate of $374,698. That places the property below the R3P5480G - Anderson Mill 12,16 - 20 - Partially in TCAD median of $387,608, in a neighborhood that declined 7.3% over the past year.
Estimated Value Range
$374,698
$397,131
Based on 5 comparable properties(5 in the same subdivision)
Based on 5 comparable properties in R3P5480G - Anderson Mill 12,16 - 20 - Partially in TCAD, this home's estimated market value is between $365,212 and $424,173. All 5 comparables are in the same subdivision, giving this estimate high confidence.
Comparable Properties (5)
Adjusted +$17,982 for 73 sqft more living space. Net adjustment: +$17,982.
Adjusted +$25,864 for 105 sqft more living space. Net adjustment: +$25,864.
Adjusted +$11,331 for 46 sqft more living space. Net adjustment: +$11,331.
Adjusted +$35,717 for 145 sqft more living space. Net adjustment: +$35,717.
Adjusted +$35,717 for 145 sqft more living space. Net adjustment: +$35,717.
The Neighborhood
This home is valued 2.5% above the R3P5480G - Anderson Mill 12,16 - 20 - Partially in TCAD median of $387,608. With 834 homes in the subdivision, the property sits in the upper tier. Note that values in this subdivision declined 7.3% over the past year.
R3P5480G - Anderson Mill 12,16 - 20 - Partially in TCAD
typicalThis home is +2.5% above the subdivision median.
Tax Analysis
The estimated annual property tax is $8,243 across all districts. With a homestead exemption claimed, that drops to $6,503 — saving $1,740 per year. That's $542 per month a buyer should budget. The assessed value increased roughly in line with the neighborhood, so a tax protest is unlikely to yield significant savings.
Tax Districts
| District | Type | Rate | Annual Amount |
|---|---|---|---|
| Round Rock ISD | School | 0.8931% | $3,547 |
| Austin | City | 0.5240% | $2,081 |
| Williamson County | County | 0.3694% | $1,467 |
| Anderson Mill Limited District | special | 0.1243% | $494 |
| Austin Community College | special | 0.1034% | $411 |
| Williamson County FM/Rd | County | 0.0443% | $176 |
| Upper Brushy Creek WCID | Water | 0.0170% | $68 |
| Williamson Central Appraisal District | cad | 0.0000% | $0 |
| Total Annual Tax | 2.0756% | $8,243 | |
Mortgage Context
At today's 30-year mortgage rate of 6.38%, a buyer financing $374,698 would pay approximately $2,339 per month (principal and interest only, excluding taxes and insurance).